“preemptive”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。

单词	preemptive
释义	preemptive 先买的抢先抢先的
随便看	background impurity background indensity background information background ink background intensity background interference background ions background Iuminescence background job background level background light background-limieed infrared photography background limited infrared detectivity background-limited infrared photoconductor (BLIP) background loop background loudspeaker background luminance background material background measurement experiment background measurement radiometer background mode background modulation noise background monitor background monitoring background noise